Oven



FIG. 1 is a front/right-side/top perspective view of an oven showing our new design;

FIG. 2 is a front-side elevational view thereof;

FIG. 3 is a rear-side elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top-side elevational view thereof; and,

FIG. 7 is a bottom-side elevational view thereof.

The broken lines are included for the purpose of illustrating portions of the oven that form no part of the claimed design. 

CLAIM The ornamental design for an oven, as shown and described. 